atlanta and st. louis, a little bit of sunshine, 48 and 26. partly sunny in denver as well. 61 the high. seattle, cloudy, 46 the high there. >>> well, medicaler er. has advanced so much that testing animals could become obsolete. in a group advising the national institutes of health says that hundreds of chimps who spent their lives who were poke and prodded should be retired. anna werner visited their home very more than 400 chimpanzees have been retired from research and could be located at a sanctuary. linda brent created it after working with government chimps at laboratory. >> it bothered you. >> sure, sure. that's what spurs people on the do great things, and so i think that's very true for me. >> reporter: the 200-acre sanctuary gives the chimps their first chance to live outside cages. >> we want to give the chimpanzees opportunities to have like they would if they were in africa. to be able to replicate those kinds of environmentals and behaviors, you have to give them space, you have to give them opportunities, and you have to give t